1054532331 has 16 divisors (see below), whose sum is σ = 1563033120. Its totient is φ = 702678240.

The previous prime is 1054532327. The next prime is 1054532371. The reversal of 1054532331 is 1332354501.

It is not a de Polignac number, because 1054532331 - 2² = 1054532327 is a prime.

It is a super-2 number, since 2×1054532331² = 2224076874248587122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1054532295 and 1054532304.

It is not an unprimeable number, because it can be changed into a prime (1054532371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54621 + ... + 71361.

It is an arithmetic number, because the mean of its divisors is an integer number (97689570).

Almost surely, 2^1054532331 is an apocalyptic number.

1054532331 is a deficient number, since it is larger than the sum of its proper divisors (508500789).

1054532331 is a wasteful number, since it uses less digits than its factorization.

1054532331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19083 (or 19077 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1054532331 is about 32473.5635710034. The cubic root of 1054532331 is about 1017.8566845491.

Adding to 1054532331 its reverse (1332354501), we get a palindrome (2386886832).

The spelling of 1054532331 in words is "one billion, fifty-four million, five hundred thirty-two thousand, three hundred thirty-one".